you're net letting us get us any input. all you're doing is complaining. >> reporter: now guillermo guillen told them hard truths about america's slow exit from afghanistan. >> this is has been the problem, you're constantly waiting for an american force to go with you, you can't do that. >> reporter: the modern-day soldier is part fighter, part diplom diplomat, part truth teller. each day american soldiers fan out across afghanistan to spread this message, that taliban kills you. >> cutting off your heads. they destroyed a koran. >> reporter: the american-backed government of afghanistan will protect you. lieutenant andrew simmons is a relentless minister of that message. >> they can be back into afghan society. not people we have to kill to win the war. >> reporter: some days there are glimmers of hope. for the first time, they're warned that the taliban planted a big bomb along the road they're patrolling. >> yeah, we know we need to encourage more people to tell us about this stuff. >> reporter: the bomb is uncovered an